PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43611Washer,key

Triumph Engine Control Systems Llc · NSN 5310-00-873-8028 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-873-8028 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-873-8028. Primary manufacturer part number: 43611.
Features
  • Washer,key — FSC 5310
  • Internal Prebent Key Width: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
  • Surface Treatment: OXIDE FILM OVERALL
  • Material: STEEL OVERALL
  • Internal Prebent Key Length: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
  • Material Document and Classification: AMS5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
  • Heat Treatment: AS FABRICATED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-873-8028, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-873-8028
Primary Part Number43611
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Internal Prebent Key Width0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
Surface TreatmentOXIDE FILM OVERALL
MaterialSTEEL OVERALL
Internal Prebent Key Length0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Material Document and ClassificationAMS5516 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.016 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
Heat TreatmentAS FABRICATED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-158-8266 INTERCHANGEABLE
Bearing,ball,annular
5133-00-293-02775133-00-293-0277 INTERCHANGEABLE
Bit,auger
General Services Administration Federal Supply Service
2940-00-354-0919148244 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5342-00-408-14184361-1 INTERCHANGEABLE
Mount,resilient,weapon System
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
5999-00-421-90061450144-1 INTERCHANGEABLE
Contact,electrical
Caes Systems Llc
3230-01-344-940143611 INTERCHANGEABLE
Bit,router
Porter Cable/delta
Cross-Reference Index
Part NumberManufacturer
43611 PRIMARY Triumph Engine Control Systems Llc (USA)
43611 Goodrich Control Systems Gmbh (DEU)
Related Parts
3110-00-158-8266INTERCHANGEABLE
BEARING,BALL,ANNULAR
5133-00-293-0277INTERCHANGEABLE
BIT,AUGER
5133-00-293-0277
2940-00-354-0919INTERCHANGEABLE
FILTER ELEMENT,FLUID
148244
5342-00-408-1418INTERCHANGEABLE
MOUNT,RESILIENT,WEAPON SYSTEM
4361-1
5999-00-421-9006INTERCHANGEABLE
CONTACT,ELECTRICAL
1450144-1
3230-01-344-9401INTERCHANGEABLE
BIT,ROUTER
43611

Frequently Asked Questions

What is NSN 5310-00-873-8028?

NSN 5310-00-873-8028 is a Washer,key, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-873-8028?

NSN 5310-00-873-8028 has 2 cross-referenced part numbers: 43611 (Triumph Engine Control Systems Llc), 43611 (Goodrich Control Systems Gmbh).

What NSN replaces 5310-00-873-8028?

There are 6 known substitutes for 5310-00-873-8028: 3110-00-158-8266, 5133-00-293-0277, 2940-00-354-0919 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43611?

Key specifications for 43611: Internal Prebent Key Width: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Surface Treatment: OXIDE FILM OVERALL; Material: STEEL OVERALL; Internal Prebent Key Length: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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